Features: Digital LCD display for easy readings, can display measured data and graphics. Rotary switch control, a key measurement for convenient use. Main chip is the DIP, easy for electronic enthusiasts to DIY or update the main chip. Use 9V battery(not included), can also use DC power(DC 6.8-12V). Resistance measurement maximum resolution 0.01Ω, can be measured up to 50MΩ. Automatically test the pins of a component and show on the display. Measure FET gate threshold voltage and gate capacitance. For the following 2100Ω resistor while measuring its inductance measuring range from 0.01mH - 20H. Can be used as signal generator and frequency meter: frequency range from 1Hz-2MHz and can generate 1%-99% PWM(pulse width modulation) signals.Notice: Before measuring capacitance, the capacitor must be discharged, otherwise very likely damage the meter.Specifications: Display: 160*128 LCD Power Supply: 1 * 9V Battery(not included); DC 6.8-12V Current: Approx. 30mA Resistance Measurement: Max. 50MΩ Resistance Resolution: 0.01Ω Capacitance Measurement: 25pF~100mF Capacitance Resolution: 1pF DC Voltage Measurement: Up to 50V Screen Size: 3.7 * 3cm / 1.45 * 1.18in PCB Size: 7.8 * 6.2cm / 3.1 * 2.44in Product Weight: 66g / 2.3oz Case Material: Acrylic Case Size: Approx. 96 * 82 * 28mm / 3. 8 * 3.2 * 1.1in (L * W * H) Package Size: Approx. 14 * 9 * 4cm / 5.5 * 3.54 * 1.57in Package Weight: 143g / 5.06ozPackage List: 1 * Transistor Tester 1 * DIY Acrylic CaseEnglish User Manual: https://www.dropbox.com/s/i58od389e3ip9hd/E1821%20User%27s%20Manual.docx?dl=0
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